US3594476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Submicron aqueous aerosols containing lecithin
Assignee: Massachusetts Institute of Technology
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Filing: 1969-05-12
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Granted: 1971-07-20
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Expires: 1989-05-12
Abstract
Abstract AEROSOLS OF AQUEOUS PARTICLES OF SUBMICRON DIAMETER WHICH ARE STABLE AGAINST EVAPORATION AND SUITABLE TO BE READILY TRANSMITTED TO THE ALVEOLI OF THE LUNG BY INSPIRATION, MAY BE PREPARED FROM AQUEOUS LECITHIN DISPERSIONS NEBULIZED, AS BY AN ULTRASONIC NEBULIZER, AT TEMPERATURES GREATER THAN ABOUT 25*C. LECITHIN AEROSOLS THUS PREPARED ARE USEFUL FOR THE TREATMENT OF LUNG DISORDERS, AND MAY OPTIONALLY CONTAIN OTHER THERAPEUTIC AGENTS SUCH AS ANTIOBIOTICS.
Inventors
- 👤 Edward W Merrill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:46
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/007; A61K9/0073; A61K9/0078; A61K9/0043; Y; Y10; Y10S; Y10S516/00; Y10S516/922
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-07-19 | 1975-01-18 | 1975-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-19 | 1979-01-18 | 1979-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-19 | 1983-01-18 | 1983-07-20 | $7700.00 | Window Closed / Lapsed |